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    • 55. 发明授权
    • Ear tubes
    • 耳管
    • US08197433B2
    • 2012-06-12
    • US11917751
    • 2006-06-15
    • David Cohen
    • David Cohen
    • A61M5/00
    • A61F11/002
    • The invention provides a flexible ear tube (10) for draining and ventilating the middle ear, the tube (10) having a flexible substantially tubular stem (12) with a lumen (14), the stem (12) being sized to be inserted through an incision in the eardrum (16) and the tube having at least two separate flexible contact surfaces (18) extending from the stem (12) and adapted to engage different spaced-apart inner surfaces of the eardrum 16, each of the contact surfaces (18) having a first axis XX extending substantially perpendicularly to the central axis of the stem and a second axis YY extending substantially perpendicularly to the first axis wherein one of the axes is between 0.6 and 3 mm and the second of the axes is between 1 and 7 mm in length.
    • 本发明提供了一种用于排出和通风中耳的柔性耳管(10),所述管(10)具有带有内腔(14)的柔性基本上管状的杆(12),所述杆(12)的尺寸设置成插入通过 在鼓膜(16)中的切口和具有从杆(12)延伸的至少两个单独的柔性接触表面(18)的管,并且适于接合鼓膜16的不同间隔开的内表面,每个接触表面 18)具有基本上垂直于所述杆的中心轴线延伸的第一轴线XX和大致垂直于所述第一轴线延伸的第二轴线YY,其中所述轴线之一在0.6和3mm之间,并且所述第二轴线在1和 长7毫米。